AMD64 Cool'n'quiet overheating.

[Hajimu UMEMOTO]

Hi,

>>>>> On Sat, 25 Feb 2006 21:50:05 +0100
>>>>> Marcin Koziej <creep at desk.pl> said:

creep> Hello. I have a laptop with AMD Athlon 64 Processor 3700+,
creep> I use FreeBSD STABLE (6.1-PRERELEASE) and I have problems with cpu/fan
creep> throttling.

creep> I used acpi_ppc module by Fukada Nobuhiko's and it served me well when
creep> it comes to making the machine cool quickly and shutting down the fan to
creep> make it quiet -- unfortunately, it can only use the fan (no cpufreq),
creep> and the machine was overheating (hitting _CRT) under high load (eg. big
creep> builds), when acpi failed to enter passive cooling.

creep> I tried to use cpufreq based solutions:
creep>    - acpi_cnq module made by Fukada Nabuhiko, but it panic's on kldload 
creep> in both STABLE and CURRENT
creep>    - passive-cooling patch / powered-thermal from 
creep> http://www.imasy.or.jp/~ume/FreeBSD/ and powernow module by Bruno 
creep> Ducrot, which works, but the fan is not strong enough -- not only it is 
creep> almost always on (acpi_ppc was quiet most the time), but it sometimes 
creep> failes to avoid the _CRT temperature, which shutdowns the system -- it 
creep> tries to keep temp under _PSV, but the fan power used is too weak.

All of the passive-cooling stuff were already merged into RELENG_6.
So, you don't need the patches found in
http://www.imasy.or.jp/~ume/FreeBSD/.  I think it was applied wrongly.

Sincerely,

--
Hajimu UMEMOTO @ Internet Mutual Aid Society Yokohama, Japan
ume at mahoroba.org  ume@{,jp.}FreeBSD.org
http://www.imasy.org/~ume/